1, classified by shape: round, oval, square, special-shaped bottle (other shapes). 2, press the top categories: narrow-necked bottle bottleneck diameter of bottle diameter difference of glass containers, usually refers to the inner diameter of the bottle is less than 30mm, used for holding liquid products; jar (jar) refers to the diameter of the bottle and the bottle diameter differences in small glass containers, usually refers to the bottle diameter is larger than 30mm, for old semifluid and solid products. 3, according to the form category: blowing, blowing, repression and control (glass made of glass tubes, and then processed into bottles, such as small bottles of penicillin, such as pill bottles)